Adjustable golf club system

Abstract

An adjustable golf club system is described herein. The adjustable golf club system includes a club shaft, a club head, a hosel, and an adjustment assembly that is removably coupled to the club head and the hosel to facilitate adjusting an orientation of the hosel with respect to the club head. The club head includes a club head cavity that extends between a toe portion and a heal portion. The hosel includes a first end that is coupled to the club shaft and a second end that includes a fastener head. The adjustment assembly includes a sliding member and a hosel fastener that is coupled to the sliding member. The sliding member is positioned within the club head cavity and movable between the toe portion and the heal portion. The hosel fastener extends through the fastener head to the sliding member to couple the hosel to the club head.

What is claimed is: 
     
       1. An adjustable golf club system comprising:
 a club shaft; 
 a club head including: 
 a body including a front club face and an opposite rear club face, each of the front club face and the rear club face extending between a toe portion and a heel portion along a longitudinal axis; and 
 a recessed portion defined along the rear club face, the recessed portion having an inner surface that defines a club head cavity that extends between the toe portion and the heel portion along the longitudinal axis; 
 a hosel including a first end and an opposite second end, the first end adapted to be coupled to the club shaft, the second end including a fastener head having an opening extending through the fastener head; and 
 an adjustment assembly removably coupled to the club head and the hosel to facilitate adjusting an orientation of the hosel with respect to the club head, the adjustment assembly including a sliding member, a balancing weight coupled to the sliding member, and a hosel fastener removably coupled to the sliding member, the sliding member being positioned within the club head cavity and movable along the longitudinal axis between the toe portion and the heel portion, the balancing weight including an outer surface having a shape that is configured to be received within the club head cavity, the hosel fastener extending through the fastener head to the sliding member to contact an outer surface of the hosel second end to couple the hosel to the club head. 
 
     
     
       2. An adjustable golf club system in accordance with  claim 1 , the club head including an toe opening defined along an outer surface of the toe portion to provide access to the club head cavity, the toe opening configured to receive the sliding member therethrough to enable the sliding member to be inserted through the toe opening and into the club head cavity. 
     
     
       3. An adjustable golf club system in accordance with  claim 1 , wherein the club head includes a putter head. 
     
     
       4. An adjustable golf club system in accordance with  claim 1 , the hosel fastener including:
 a washer bolt extending through the fastener head towards the sliding member; and 
 a locking bolt inserted through a center cavity extending through the washer bolt and towards the sliding member, the sliding member having an threaded recessed hole configured to receive at least a portion of the locking bolt therein to facilitate coupling the hosel second end to the club head. 
 
     
     
       5. An adjustable golf club system in accordance with  claim 1 , the club head including a forward member and an aft member that is removably coupled to the forward member, the forward member including the club head cavity. 
     
     
       6. An adjustable golf club system in accordance with  claim 5 , the aft member including a projection extending outwardly from an outer surface of the aft member, the forward member including a groove extending between the toe portion and the heel portion, the groove being configured to receive the projection therein to facilitate coupling the aft member to the forward member. 
     
     
       7. An adjustable golf club system in accordance with  claim 6 , the club head including a pair of head locking bolts to removably couple the aft member to the forward member, each of the pair of head locking bolts being inserted through corresponding openings extending through the aft member. 
     
     
       8. An adjustable golf club system in accordance with  claim 1 , further comprising a shaft attachment assembly coupled to the hosel to facilitate removably coupling the club shaft to the hosel first end. 
     
     
       9. An adjustable golf club system in accordance with  claim 8 , the shaft attachment assembly comprising:
 a shaft connection cap including an upper portion having a first open end, a lower portion having a second open end, and an inner surface defining a connection cap cavity extending between the first open end and the second open end along a centerline axis, the connection cap cavity configured to receive the club shaft therein through the first open end, the first open end having a first diameter, the second open end having a second diameter that is larger than the first diameter, the upper portion having a substantially frustoconical shape converging from the lower portion towards the first open end; and 
 a shaft connection sleeve positioned within the connection cap cavity and extending through the second open end, the shaft connection sleeve having a inner surface defining an interior cavity extending therethrough and configured to receive the club shaft therein, the shaft connection sleeve including a base member and a plurality of clamping members extending outwardly from the base member along the centerline axis, the clamping members being orientated about the centerline axis, the base member having a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the shaft connection cap to rotatably couple the shaft connection sleeve to the shaft connection cap, the inner surface of the shaft connection cap contacting the clamping members to bias the clamping members towards the club shaft to contact an outer surface of the club shaft to facilitate forming a friction fit between the clamping members and the club shaft. 
 
     
     
       10. An adjustable golf club system in accordance with  claim 1 , the club shaft including a telescoping shaft body including an upper section and a lower section that is rotatably coupled to the upper section, the upper section adapted to rotate with respect to the lower section such that a rotation of the upper section in a first direction increases a length of the shaft body, and a rotation of the upper section in an opposite second direction decreases the overall length of the shaft body. 
     
     
       11. An adjustable golf club system, comprising:
 a club shaft including an inner surface that defines an interior chamber; 
 a club head including: 
 a body including a front club face and an opposite rear club face, each of the front club face and the rear club face extending between a toe portion and a heel portion along a longitudinal axis; and 
 a recessed portion defined along the rear club face, the recessed portion having an inner surface that defines a club head cavity that extends between the toe portion and the heel portion along the longitudinal axis; 
 a hosel including a first end and an opposite second end, the first end adapted to be coupled to the club shaft, the second end including a fastener head having an opening extending through the fastener head; 
 an adjustment assembly removably coupled to the club head and the hosel to facilitate adjusting an orientation of the hosel with respect to the club head, the adjustment assembly including a sliding member and a hosel fastener removably coupled to the sliding member, the sliding member being positioned within the club head cavity and movable along the longitudinal axis between the toe portion and the heel portion, the hosel fastener extending through the fastener head to the sliding member to contact an outer surface of the hosel second end to couple the hosel to the club head; and 
 a shaft attachment assembly coupled to the hosel to facilitate removably coupling the club shaft to the hosel first end, the shaft attachment assembly comprising: 
 a shaft connection cap including an upper portion having a first open end, a lower portion having a second open end, and an inner surface defining a connection cap cavity extending between the first open end and the second open end along a centerline axis, the connection cap cavity configured to receive the club shaft therein through the first open end, the first open end having a first diameter, the second open end having a second diameter that is larger than the first diameter, the upper portion having a substantially frustoconical shape converging from the lower portion towards the first open end; 
 a shaft connection sleeve positioned within the connection cap cavity and extending through the second open end, the shaft connection sleeve having a inner surface defining an interior cavity extending therethrough and configured to receive the club shaft therein, the shaft connection sleeve including a base member and a plurality of clamping members extending outwardly from the base member along the centerline axis, the clamping members being orientated about the centerline axis, the base member having a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the shaft connection cap to rotatably couple the shaft connection sleeve to the shaft connection cap, the inner surface of the shaft connection cap contacting the clamping members to bias the clamping members towards the club shaft to contact an outer surface of the club shaft to facilitate forming a friction fit between the clamping members and the club shaft; 
 an internal locking device including an inner surface that extends between a top end and a bottom end and defining an expansion cavity the extends between the top end and the bottom end along the centerline axis, the internal locking device including a plurality of expansion members extending outwardly from a main body along the centerline axis, the plurality of expansion members being orientated about the centerline axis and defining an outer surface of the internal locking device that is configured to be inserted within the interior chamber of the club shaft, the main body including a threaded outer surface that is configured to engage a corresponding threaded portion of the inner surface of the shaft connection sleeve; 
 an expansion bolt configured to be inserted within the expansion cavity to contact the plurality of expansion members to bias the expansion members outwardly towards the inner surface of the club shaft; and 
 a shaft locking bolt configured to be inserted through the bottom end and within the expansion cavity to contact the expansion bolt to move the expansion bolt along the centerline axis towards the top end of the internal locking device, the shaft locking bolt including a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the internal locking device to rotatably couple the shaft locking bolt to the internal locking device. 
 
     
     
       12. An adjustable golf club system in accordance with  claim 11 , the hosel first end including a shaft connection head that is orientated within a first plane, the fastener head being orientated within a second plane that is perpendicular to the first plane, the shaft connection head including a shaft opening extending therethrough, the shaft opening configured to receive the shaft locking bolt therein to facilitate coupling the hosel to the club shaft. 
     
     
       13. An adjustable golf club system comprising:
 a club head including: 
 a body including a front club face and an opposite rear club face, each of the front club face and the rear club face extending between a toe portion and a heel portion along a longitudinal axis; and 
 a recessed portion defined along the rear club face, the recessed portion having an inner surface that defines a club head cavity that extends between the toe portion and the heel portion along the longitudinal axis; 
 a hosel including a first end and an opposite second end, the first end adapted to be coupled to a club shaft, the second end including a fastener head having an opening extending through the fastener head; and 
 an adjustment assembly removably coupled to the club head and the hosel to facilitate adjusting an orientation of the hosel with respect to the club head, the adjustment assembly including a sliding member, a balancing weight coupled to the sliding member, and a hosel fastener removably coupled to the sliding member, the sliding member being positioned within the club head cavity and movable along the longitudinal axis between the toe portion and the heel portion, the balancing weight including an outer surface having a shape that is configured to be received within the club head cavity, the hosel fastener extending through the fastener head to the sliding member to contact an outer surface of the hosel second end to couple the hosel to the club head. 
 
     
     
       14. An adjustable golf club system in accordance with  claim 13 , wherein the club head includes a putter head. 
     
     
       15. An adjustable golf club system in accordance with  claim 13 , the hosel fastener including:
 a washer bolt extending through the fastener head towards the sliding member; and 
 a locking bolt inserted through a center cavity extending through the washer bolt and towards the sliding member, the sliding member having a threaded recessed hole configured to receive at least a portion of the locking bolt therein to facilitate coupling the hosel second end to the club head. 
 
     
     
       16. An adjustable golf club system in accordance with  claim 13 , the club head including a forward member and an aft member that is removably coupled to the forward member, the forward member including the club head cavity. 
     
     
       17. An adjustable golf club system in accordance with  claim 16 , the aft member including a projection extending outwardly from an outer surface of the aft member, the forward member including a groove extending between the toe portion and the heat heel portion, the groove being configured to receive the projection therein to facilitate coupling the aft member to the forward member. 
     
     
       18. An adjustable golf club system in accordance with  claim 13 , further comprising a shaft attachment assembly coupled to the hosel to facilitate removably coupling the club shaft to the hosel first end, the shaft attachment assembly comprising:
 a shaft connection cap including an upper portion having a first open end, a lower portion having a second open end, and an inner surface defining a connection cap cavity extending between the first open end and the second open end along a centerline axis, the connection cap cavity configured to receive the club shaft therein through the first open end, the first open end having a first diameter, the second open end having a second diameter that is larger than the first diameter, the upper portion having a substantially frustoconical shape converging from the lower portion towards the first open end; 
 a shaft connection sleeve positioned within the connection cap cavity and extending through the second open end, the shaft connection sleeve having a inner surface defining an interior cavity extending therethrough and configured to receive the club shaft therein, the shaft connection sleeve including a base member and a plurality of clamping members extending outwardly from the base member along the centerline axis, the clamping members being orientated about the centerline axis, the base member having a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the shaft connection cap to rotatably couple the shaft connection sleeve to the shaft connection cap, the inner surface of the shaft connection cap contacting the clamping members to bias the clamping members towards the club shaft to contact an outer surface of the club shaft to facilitate forming a friction fit between the clamping members and the club shaft. 
 
     
     
       19. An adjustable golf club system, comprising:
 a hosel including a first end and an opposite second end, the first end including a shaft connection head adapted to be coupled to a club shaft including an inner surface that defines an interior chamber, the shaft connection head including a shaft opening extending therethrough, the second end including a fastener head configured to be coupled to a club head; and 
 a shaft attachment assembly coupled between the hosel and the club shaft to facilitate removably coupling the club shaft to the hosel, the shaft attachment assembly comprising: 
 a shaft connection cap including an upper portion having a first open end, a lower portion having a second open end, and an inner surface defining a connection cap cavity extending between the first open end and the second open end along a centerline axis, the connection cap cavity configured to receive the club shaft therein through the first open end, the first open end having a first diameter, the second open end having a second diameter that is larger than the first diameter, the upper portion having a substantially frustoconical shape converging from the lower portion towards the first open end; 
 a shaft connection sleeve positioned within the connection cap cavity and extending through the second open end, the shaft connection sleeve having a inner surface defining an interior cavity extending therethrough and configured to receive the club shaft therein, the shaft connection sleeve including a base member and a plurality of clamping members extending outwardly from the base member along the centerline axis, the clamping members being orientated about the centerline axis, the base member having a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the shaft connection cap to rotatably couple the shaft connection sleeve to the shaft connection cap, the inner surface of the shaft connection cap contacting the clamping members to bias the clamping members towards the club shaft to contact an outer surface of the club shaft to facilitate forming a friction fit between the clamping members and the club shaft; 
 an internal locking device including an inner surface that extends between a top end and a bottom end and defining an expansion cavity the extends between the top end and the bottom end along the centerline axis, the internal locking device including a plurality of expansion members extending outwardly from a main body along the centerline axis, the plurality of expansion members being orientated about the centerline axis and defining an outer surface of the internal locking device that is configured to be inserted within the interior chamber of the club shaft, the main body including a threaded outer surface that is configured to engage a corresponding threaded portion of the inner surface of the shaft connection sleeve; 
 an expansion bolt configured to be inserted within the expansion cavity to contact the plurality of expansion members to bias the expansion members outwardly towards the inner surface of the club shaft; and 
 a shaft locking bolt configured to be inserted through the bottom end and within the expansion cavity to contact the expansion bolt to move the expansion bolt along the centerline axis towards the top end of the internal locking device, the shaft locking bolt including a threaded outer surface configured to engage a corresponding threaded portion of the inner surface of the internal locking device to rotatably couple the shaft locking bolt to the internal locking device, the shaft locking bolt being inserted through the shaft opening to couple the hosel to the club shaft. 
 
     
     
       20. An adjustable golf club system in accordance with  claim 19 , wherein the club shaft club head includes a putter head.